Automatic paint gun



FIG. 1 is a perspective view of an automatic paint gun showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a back elevation view thereof.

The broken lines shown in the figures are included for the purpose of illustrating portions of the automatic paint gun which form no part of the claimed design. 

CLAIM The ornamental design for an automatic paint gun, as shown and described. 